XI 3.1 Issue with Excel Data Provider

Problem

A Webi document has a query based on Excel (Excel data source). The document can be refreshed in Web Intelligence Rich Client, but it fails in Infoview with WIS 30270 error. The following errors appear in the log:

ExtensionFactoryImpl.cpp:201:void __thiscall WICDZExt::ExtensionFactoryImpl::createRemoteExtension(const 
class WICDZExt::ExtensionDescriptor &,struct WICDZExt::IExtension **): TraceLog message 24650
2014/10/17 09:02:31.474|>>|E| |13916|15036| |||||||||||||||ExtensionFactoryImpl::createRemoteExtension 
has failed : ExtensionFactoryImpl.createExtension has failed : java.lang.Exception: extension creation failed : null object
ExtensionFactoryImpl.cpp:202:void __thiscall WICDZExt::ExtensionFactoryImpl::createRemoteExtension(const 
class WICDZExt::ExtensionDescriptor &,struct WICDZExt::IExtension **): TraceLog message 24651
2014/10/17 09:02:31.474|>>|E| |13916|15036| |||||||||||||||java.lang.Exception: extension creation failed : null object
      at com.businessobjects.cdz_ext.ExtensionFactoryImpl.createExtension(Unknown Source)
      at com.businessobjects.cdz_ext.server.ExtensionFactoryServant.createExtension(Unknown Source)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:592)
      at com.businessobjects.framework.servers.platform.adapters.ebus.orb.CommonTransportInterceptor.invoke(CommonTransportInterceptor.java:93)
      at com.businessobjects.framework.servers.common.proxy.cglib.MethodInterceptorChain.intercept(MethodInterceptorChain.java:136)
      at com.crystaldecisions.enterprise.ocaframework.idl.OCA.OCAcdz.WICDZExtensions.ExtensionFactoryPOA$$EnhancerByCGLIB$$9792817d.createExtension(<generated>)
      at com.crystaldecisions.enterprise.ocaframework.idl.OCA.OCAcdz.WICDZExtensions.ExtensionFactoryPOA._OB_op_createExtension(Unknown Source)
      at com.crystaldecisions.enterprise.ocaframework.idl.OCA.OCAcdz.WICDZExtensions.ExtensionFactoryPOA._invoke(Unknown Source)
      at com.crystaldecisions.thirdparty.com.ooc.OBPortableServer.ServantDispatcher.dispatch(ServantDispatcher.java:234)
      at com.crystaldecisions.thirdparty.com.ooc.OBPortableServer.POA_impl._OB_dispatch(POA_impl.java:1917)
      at com.crystaldecisions.thirdparty.com.ooc.OB.DispatchRequest_impl.invoke(DispatchRequest_impl.java:75)
      at com.businessobjects.framework.servers.platform.adapters.ebus.orb.ThreadPoolDispatchStrategy$Dispatcher.run(ThreadPoolDispatchStrategy.java:124)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
      at java.util.concurrent.FutureTask.run(FutureTask.java:123)
      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676)
      at java.lang.Thread.run(Thread.java:595)
kc3dsxls.cpp:276:long __thiscall tbXlsDS::xtDSExcel::CreateXDS(void): TraceLog message 24652

Solution
AddNode.bat -name LOCALHOST -update -cms LOCALHOST:6400 -user Administrator -password "" -siaport 6410